t/t6406-merge-attr.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Junio C Hamano
   4 #
   5
   6 test_description='per path merge controlled by merge attribute'
   7
   8 . ./test-lib.sh
   9
  10 test_expect_success setup '
  11
  12         for f in text binary union
  13         do
  14                 echo Initial >$f && git add $f || return 1
  15         done &&
  16         test_tick &&
  17         git commit -m Initial &&
  18
  19         git branch side &&
  20         for f in text binary union
  21         do
  22                 echo Master >>$f && git add $f || return 1
  23         done &&
  24         test_tick &&
  25         git commit -m Master &&
  26
  27         git checkout side &&
  28         for f in text binary union
  29         do
  30                 echo Side >>$f && git add $f || return 1
  31         done &&
  32         test_tick &&
  33         git commit -m Side &&
  34
  35         git tag anchor &&
  36
  37         cat >./custom-merge <<-\EOF &&
  38         #!/bin/sh
  39
  40         orig="$1" ours="$2" theirs="$3" exit="$4" path=$5
  41         (
  42                 echo "orig is $orig"
  43                 echo "ours is $ours"
  44                 echo "theirs is $theirs"
  45                 echo "path is $path"
  46                 echo "=== orig ==="
  47                 cat "$orig"
  48                 echo "=== ours ==="
  49                 cat "$ours"
  50                 echo "=== theirs ==="
  51                 cat "$theirs"
  52         ) >"$ours+"
  53         cat "$ours+" >"$ours"
  54         rm -f "$ours+"
  55         exit "$exit"
  56         EOF
  57         chmod +x ./custom-merge
  58 '
  59
  60 test_expect_success merge '
  61
  62         {
  63                 echo "binary -merge"
  64                 echo "union merge=union"
  65         } >.gitattributes &&
  66
  67         if git merge master
  68         then
  69                 echo Gaah, should have conflicted
  70                 false
  71         else
  72                 echo Ok, conflicted.
  73         fi
  74 '
  75
  76 test_expect_success 'check merge result in index' '
  77
  78         git ls-files -u | grep binary &&
  79         git ls-files -u | grep text &&
  80         ! (git ls-files -u | grep union)
  81
  82 '
  83
  84 test_expect_success 'check merge result in working tree' '
  85
  86         git cat-file -p HEAD:binary >binary-orig &&
  87         grep "<<<<<<<" text &&
  88         cmp binary-orig binary &&
  89         ! grep "<<<<<<<" union &&
  90         grep Master union &&
  91         grep Side union
  92
  93 '
  94
  95 test_expect_success 'retry the merge with longer context' '
  96         echo text conflict-marker-size=32 >>.gitattributes &&
  97         git checkout -m text &&
  98         sed -ne "/^\([<=>]\)\1\1\1*/{
  99                 s/ .*$//
 100                 p
 101         }" >actual text &&
 102         grep ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" actual &&
 103         grep "================================" actual &&
 104         grep "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" actual
 105 '
 106
 107 test_expect_success 'custom merge backend' '
 108
 109         echo "* merge=union" >.gitattributes &&
 110         echo "text merge=custom" >>.gitattributes &&
 111
 112         git reset --hard anchor &&
 113         git config --replace-all \
 114         merge.custom.driver "./custom-merge %O %A %B 0 %P" &&
 115         git config --replace-all \
 116         merge.custom.name "custom merge driver for testing" &&
 117
 118         git merge master &&
 119
 120         cmp binary union &&
 121         sed -e 1,3d text >check-1 &&
 122         o=$(git unpack-file master^:text) &&
 123         a=$(git unpack-file side^:text) &&
 124         b=$(git unpack-file master:text) &&
 125         sh -c "./custom-merge $o $a $b 0 text" &&
 126         sed -e 1,3d $a >check-2 &&
 127         cmp check-1 check-2 &&
 128         rm -f $o $a $b
 129 '
 130
 131 test_expect_success 'custom merge backend' '
 132
 133         git reset --hard anchor &&
 134         git config --replace-all \
 135         merge.custom.driver "./custom-merge %O %A %B 1 %P" &&
 136         git config --replace-all \
 137         merge.custom.name "custom merge driver for testing" &&
 138
 139         if git merge master
 140         then
 141                 echo "Eh? should have conflicted"
 142                 false
 143         else
 144                 echo "Ok, conflicted"
 145         fi &&
 146
 147         cmp binary union &&
 148         sed -e 1,3d text >check-1 &&
 149         o=$(git unpack-file master^:text) &&
 150         a=$(git unpack-file anchor:text) &&
 151         b=$(git unpack-file master:text) &&
 152         sh -c "./custom-merge $o $a $b 0 text" &&
 153         sed -e 1,3d $a >check-2 &&
 154         cmp check-1 check-2 &&
 155         sed -e 1,3d -e 4q $a >check-3 &&
 156         echo "path is text" >expect &&
 157         cmp expect check-3 &&
 158         rm -f $o $a $b
 159 '
 160
 161 test_expect_success 'up-to-date merge without common ancestor' '
 162         test_create_repo repo1 &&
 163         test_create_repo repo2 &&
 164         test_tick &&
 165         (
 166                 cd repo1 &&
 167                 >a &&
 168                 git add a &&
 169                 git commit -m initial
 170         ) &&
 171         test_tick &&
 172         (
 173                 cd repo2 &&
 174                 git commit --allow-empty -m initial
 175         ) &&
 176         test_tick &&
 177         (
 178                 cd repo1 &&
 179                 git fetch ../repo2 master &&
 180                 git merge --allow-unrelated-histories FETCH_HEAD
 181         )
 182 '
 183
 184 test_expect_success 'custom merge does not lock index' '
 185         git reset --hard anchor &&
 186         write_script sleep-an-hour.sh <<-\EOF &&
 187                 sleep 3600 &
 188                 echo $! >sleep.pid
 189         EOF
 190
 191         test_write_lines >.gitattributes \
 192                 "* merge=ours" "text merge=sleep-an-hour" &&
 193         test_config merge.ours.driver true &&
 194         test_config merge.sleep-an-hour.driver ./sleep-an-hour.sh &&
 195
 196         # We are testing that the custom merge driver does not block
 197         # index.lock on Windows due to an inherited file handle.
 198         # To ensure that the backgrounded process ran sufficiently
 199         # long (and has been started in the first place), we do not
 200         # ignore the result of the kill command.
 201         # By packaging the command in test_when_finished, we get both
 202         # the correctness check and the clean-up.
 203         test_when_finished "kill \$(cat sleep.pid)" &&
 204         git merge master
 205 '
 206
 207 test_done